Finding the Fourth Proportional to 97,707.25, 134,728.94 and 63,652.59
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Solution
The fourth proportional to 97,707.25, 134,728.94 and 63,652.59 is: 87,770.82
Step by Step Solution
- Step 1: Write the proportion equation
97,707.25 : 134,728.94 = 63,652.59 : x - Step 2: Convert to fraction form
97,707.25/134,728.94 = 63,652.59/x - Step 3: Cross multiply
97,707.25x = 134,728.94 × 63,652.59 - Step 4: Simplify right side
97,707.25x = 8,575,845,408.07 - Step 5: Solve for x
x = 8,575,845,408.07/97,707.25 - Step 6: Final answer
x = 87,770.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.